Cumberland Mine Experiences Unplanned Production Outage

BRISTOL, Va., July 15, 2013 /PRNewswire/ -- Cumberland Coal Resources LP, a subsidiary of Alpha Natural Resources (NYSE: ANR), has temporarily suspended production at its Cumberland underground longwall mine in Greene County, Pa. due to adverse geological conditions in the mine's headgate area.

While mine employees work to mitigate the conditions that halted operations, the mine is on idle status as of July 15, and coal shipments have ceased. Cumberland's management currently anticipates that it will be at least several weeks before production resumes. During this period the mine will maintain a reduced workforce of employees who are key to bringing the longwall back into production.

About Alpha Natural Resources  
Alpha Natural Resources is one of the largest and most regionally diversified coal suppliers in the United States. With mining operations in Virginia, West Virginia, Kentucky, Pennsylvania and Wyoming, Alpha supplies metallurgical coal to the steel industry and thermal coal to generate power to customers on five continents.  Alpha is committed to being a leader in mine safety with our Running Right safety process, and an environmental steward in the communities where we operate. For more information, visit Alpha's official website (www.alphanr.com).

Investor Contact                    

Todd Allen      
Tel. 276-739-5328
Email: tallen@alphanr.com

Media Contact    

Ted Pile          
Tel. 276-623-2920
Email: tpile@alphanr.com

SOURCE Alpha Natural Resources

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